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Posts: #Knowledge

Posts: # Knowledge

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#Knowledge
Mar 14 2017
The last line effect explained
Andrey Karpov, Moritz Beller, Rolf A. Zwaan, Andy Zaidman
Micro-clones are tiny duplicated pieces of code; they typically comprise only few statements or lines. In this paper, we study the "Last Line Effect," the phenomenon that the last line or...
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#Cpp #Knowledge
Feb 15 2017
About optimizations
Vladimir Tatarchevskij
Verifying the recommendation "Don't do the compilers job" from the book "The Ultimate Question of Programming, Refactoring, and Everything".
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#Cpp #Knowledge #StaticAnalysis
Feb 06 2017
Why I Dislike Synthetic Tests
Andrey Karpov
I don't like it when people use artificial code examples to evaluate the diagnostic capabilities of static code analyzers. There is one particular example I'm going to discuss to explain my...
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#CSharp #Knowledge
Jan 27 2017
How to capture a variable in C# and not to shoot yourself in the foot
Ivan Kishchenko
Back in 2005, with the release of C# 2.0 standard we got a possibility to pass a variable to the body of an anonymous delegate by capturing it from the current context. In 2008 the C# 3.0 brought...
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#Cpp #Knowledge #StaticAnalysis
Jan 12 2017
How PVS-Studio does the bug search: methods and technologies
Andrey Karpov
PVS-Studio is a static code analyzer, that searches for errors and vulnerabilities in programs written in C, C++ and C#. In this article, I am going to uncover the technologies that we use...
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#CSharp #Knowledge
Nov 18 2016
Virtual events in C#: something went wrong
Sergey Khrenov
Not so long ago I was working on a new C# diagnostic - V3119 - for the PVS-Studio static code analyzer. The function of this diagnostic is to detect potentially unsafe constructions in the...
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#CSharp #Knowledge
Oct 07 2016
Why using finalizers is a bad idea
Ilya Ivanov
Not so long ago we worked on a diagnostic rule related to the finalizer check. This provoked an argument on the details of the garbage collector work and the finalization of objects. Although we...
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#Cpp #Knowledge
Sep 15 2016
How to avoid bugs using modern C++
Pavel Belikov
One of the main problems with C++ is having a huge number of constructions whose behavior is undefined, or is just unexpected for a programmer. We often come across them when using our...
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#CSharp #Knowledge
Jul 05 2016
How to not shoot yourself in the foot when working with serialization
Sergey Vasiliev
Despite the fact that it's quite easy and comfortable to use the serialization mechanism in C#, there are some points that are worth taking note of. This article is about the ways in which you...
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#CSharp #Knowledge
Jun 15 2016
Amusing C#
Vitaliy Alferov
To assess the quality of PVS-Studio C# diagnostics, we test it on a large number of software projects. Since projects are written by different programmers from different teams and companies, we...
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